If you're near any Publix supermarkets, they sell the brand mentioned in Rose Levy Berenbaum's book, Green & Blacks...and just the other day I found Godiva white chocolate bars there...I bought one for $3.49

Both G&B and Godiva's have vanilla specks in them, and both are delicious.

I have not tried this recipe, but i just googled, how to make white chocolate. http://www.cupcakeproject.com/2011/07/how-to-make-white-chocolate-in-less.html You may have worst luck finding coco butter than white chocolate. I know that white chocolate chips aren't the same as they have emulsifying agents, but would probably do in a pinch. (Not many white chocolates have coco butter anyways). And not sure what you've tried but:Have you called food co-op shops? Specialty grocery shops are more likely to have high quality ingredients than your local chain grocery store.Have you tried checking your local mall to see if they have a Godiva store?Try going on google and type your location followed by "cake supplies"Tried calling your local bakeries, talk to the owner and manager and see if you can try and talk them into selling you the ingredient?